aveey



(Nd Model.)

E. W. AVERY. l CONVBYER BUCKET. No. 352,077.

Patented Nov.` 2, 1886.

, UNITED STATES PATENT OFFICE.

HENRY w. AVERY, 0E CLEVELAND, OHIO, AssIGNoR or ONE-HALE fro WILLIAM c. AVERY, or sAME PLAGE. n

CONVEYER-BUCKET.

SPECIFICATION forming part of Letters Patent No. 352,077, dated lNovember 2, 1886,

Application filed July 3, 1886. Serial No. 207,083. (No model.)

To all whom it may concern:

Be it known that I, HENRY W. AVERY, of

Cleveland,in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Fastenings for Elevators or Conveyer Buckets andBoxes; and I do hereby declare the following to be a full,clear,and exact description of the invention,such as will enable others skilled in the art to which it pertains to make and use the same.

My invention relates to improvements in fastenin gs for elevator and conveyer buckets or boxes, in whicha plate suitable for attaching to a belt, rope, chain, orcable, as the case may be, has beveled or curved edges, and the conveyer-buckets or attachments of the samehave undercut surfaces, or vice versa, for engaging the said plate, the two forming a dovetail, or male and female fastening, to the end that the inside of the bucket or box presents substantially asmooth surface, having no bolts, nuts, or other securing mechanism protruding, and the buckets are easily detachable. Heretofore elevator and conveyer buckets and boxes have usually been bolted to the belt, chain, or cable that operates the same, and the projecting bolt heads or nuts on the inside of the bucket were serious hinderances to the free discharge of the buckets, especially Where damp material was being elevated or conveyed. I have therefore devised a fastening mechanism, illustrated in the accompanying drawings.

4Figures 1 and 2 are views in perspective of elevator-buckets with different forms of my improved fastener respectively attached. Figs. 3 and 4 are elevations in section, showing modifications of the fastening. Figs. 5 and 6 are plan views showing fastenings designed to engage a chain or cable. Fig. 7 shows a preferable construction where theback of the bucket is of cast-iron. Fig. 8 is apreferable construction when the bucket is kof heavy plate metal, the last two figures being elevations in section. l

Arepresents an elevator or conVeyer-bucket, and may be, in the main, of any ordinary form or construction.

B is a metal plate that is fastened to the belt e, or secured to the chain, rope, cable, or whatever may be used for carrying the bucket. The plate B is made to slide into or over projections had on the rear wall of the bucket, the projections and slide forming a dovet-ail,or male and female fastening. If the buckets are of thin wrought metal-such as commonly used for light Work-points @may be punched in the rear Wall and bent out atriiie. If the two series of points are made presenting toward eachother, as shown in Fig. 1, the slide B'may be a thin iiat strip of metal of suitable Width to slide snugly under the point between the two series, as Yshown in Fig. 1. If the points are made presenting from each other, the plate B is bent over,forming a clasp and slide over the points a, asf shown in Fig. 2. In

, practice there is not much choice between the devices shown in Figs. l and 2.

Instead of punching or turning metal from the body of the bucket,as aforesaid, a V re-enforcing piece may be soldered,braced,or other- Wise secured to' the back of the bucket, as shown at a and a, respectively, in Figs. 3 and 4, and slidesb and b are made of correspondingl shape, the one to slide into and the other to slide over the 11e-enforcing strip, the use of 7 5 the latter being considered a better construction for heavy work or elevating liquids, in t which latter case the puncturing of the bucket would cause a leakage. As there is no lateral strain on the bucket, a tight fit of the parts is usually all that is required to hold the buckets in place.

If the buckets are carried by chains c, ropes or cables d, the plates b and b2 are provided with ends shaped accordingly, (see Figs. 5 and- 6,) and are hooked into the links of the chain or wrapped around the rope or cable. i The slides having been secured to the belt, chain,

rope, or cables, as the case may be,and atsuitable intervals', the buckets are slid or driven onto the slides, and may be removed for re- I pairs; or if broken or worn may be replaced with new ones with little trouble and delay.

When buckets are made in pieces and of thin wrought met-al, suitable ribs may be struck up, or if', as is sometimes the case with coal-buckets or heavy buckets for other rough work, the rear of the bucket is of castp-iron,the necessary undercut ribs may be cast on. (See Fig. 7 Large buckets are sometimes in pieces and of heavy plate metal,in which case plates a,with undercut edges, may be riveted on With ICO the rivets countersunk on the inside of the buckets, so as to leave a smooth surface inside the bucket. (See Fig.` 8.) In either case the principle involved is the same, and the buckets are securely held and are easily detachable, and there is'no obstruction on the inside of the bucket.

What I claim is- The combination, With the bucket 'or box having on the rear Wall thereof the undercut rigid projections, of the elongated plates rigidly secured to the belt or chain,and provided With edges adapted to engage `the projections Von the bucket or box, for the purpose of. re-

movably securing the bucket or box to the 15 belt or chain, substantially as set forth.

In testimony whereof I sign thisspeoication, in the presence of two Witnesses, this 26th day of June, 1886.

HENRY W. AVERY.

o a: L S- o CJ 'It is hereby certied that the name of the assignee in Letters Patent No. 352,077, granted November 2, 1886, upon the application of Henry W. Avery, of Cleveland, Ohio, for an improvement in ConveyeihBnckets,77 should have been Written and printed William G. Avery instead of William G. Avery, and that the said Letters Patent should be read With this correction therein that the same may conform to the record of the case in the Patent Office.

Signed, countersigned, and sealed this-9th day of November, A. D. 1886.

[SEAL] D. L. HAWKINS, Acting Secretary of the Interior. Gountersi gned i R. B. VANGE,

Acting Commissioner of Patents. 

